20163089976

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{90619}}^1$

素因数の和:90828

約数の個数: 64

約数和(自身を含む): 51501158400

約数和(自身を除く): 31338068424

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 127, 146, 219, 254, 292, 381, 438, 508, 584, 762, 876, 1016, 1524, 1752, 3048, 9271, 18542, 27813, 37084, 55626, 74168, 90619, 111252, 181238, 222504, 271857, 362476, 543714, 724952, 1087428, 2174856, 6615187, 11508613, 13230374, 19845561, 23017226, 26460748, 34525839, 39691122, 46034452, 52921496, 69051678, 79382244, 92068904, 138103356, 158764488, 276206712, 840128749, 1680257498, 2520386247, 3360514996, 5040772494, 6721029992, 10081544988, 20163089976]

約数ペア:

[(1, 20163089976), (2, 10081544988), (3, 6721029992), (4, 5040772494), (6, 3360514996), (8, 2520386247), (12, 1680257498), (24, 840128749), (73, 276206712), (127, 158764488), (146, 138103356), (219, 92068904), (254, 79382244), (292, 69051678), (381, 52921496), (438, 46034452), (508, 39691122), (584, 34525839), (762, 26460748), (876, 23017226), (1016, 19845561), (1524, 13230374), (1752, 11508613), (3048, 6615187), (9271, 2174856), (18542, 1087428), (27813, 724952), (37084, 543714), (55626, 362476), (74168, 271857), (90619, 222504), (111252, 181238)]